# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        潘炎珍  
# Name:         demo03
# Description:
# Author:       98745
# Date:         2019/3/3
#-------------------------------------------------------------------------------

x=None
while True:
    try:
        if x==None:
            x=int(input('请输入分子：'))
        y=int(input('请输入分母：'))
        print('x/y:{}'.format(x/y))
        break;
    except Exception as e:
        print('分母不能为0，请重新输入分母！')



